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Finding the Fourth Proportional to 119,576.90, 179,375.67 and 30,829.66

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Solution

The fourth proportional to 119,576.90, 179,375.67 and 30,829.66 is: 46,247.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,576.90 : 179,375.67 = 30,829.66 : x
  2. Step 2: Convert to fraction form
    119,576.90/179,375.67 = 30,829.66/x
  3. Step 3: Cross multiply
    119,576.90x = 179,375.67 × 30,829.66
  4. Step 4: Simplify right side
    119,576.90x = 5,530,090,469.93
  5. Step 5: Solve for x
    x = 5,530,090,469.93/119,576.90
  6. Step 6: Final answer
    x = 46,247.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.